Learning by teaching make us more comfortable to learn another way because I don't want to know. But we will only know that the teacher taught, which sometimes may not be fully.
Learning by teaching makes learning more convenient because you do not need to know. Instead, we just get to know the teacher. In some cases it may be incomplete.
Learning by teaching makes us more convenient than learning other because of no need for knowledge. But we'll just knowledge teaching. Which sometimes may be incomplete.